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/** @file
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "HstiDxe.h"
/**
Returns the current state information for the adapter.
This function returns information of type InformationType from the adapter.
If an adapter does not support the requested informational type, then
EFI_UNSUPPORTED is returned.
@param[in] This A pointer to the EFI_ADAPTER_INFORMATION_PROTOCOL instance.
@param[in] InformationType A pointer to an EFI_GUID that defines the contents of InformationBlock.
@param[out] InformationBlock The service returns a pointer to the buffer with the InformationBlock
structure which contains details about the data specific to InformationType.
@param[out] InformationBlockSize The driver returns the size of the InformationBlock in bytes.
@retval EFI_SUCCESS The InformationType information was retrieved.
@retval EFI_UNSUPPORTED The InformationType is not known.
@retval EFI_DEVICE_ERROR The device reported an error.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER InformationBlock is NULL.
@retval EFI_INVALID_PARAMETER InformationBlockSize is NULL.
**/
EFI_STATUS
EFIAPI
HstiAipGetInfo (
IN EFI_ADAPTER_INFORMATION_PROTOCOL *This,
IN EFI_GUID *InformationType,
OUT VOID **InformationBlock,
OUT UINTN *InformationBlockSize
)
{
HSTI_AIP_PRIVATE_DATA *HstiAip;
if ((This == NULL) || (InformationBlock == NULL) || (InformationBlockSize == NULL)) {
return EFI_INVALID_PARAMETER;
}
if (!CompareGuid (InformationType, &gAdapterInfoPlatformSecurityGuid)) {
return EFI_UNSUPPORTED;
}
HstiAip = HSTI_AIP_PRIVATE_DATA_FROM_THIS(This);
*InformationBlock = AllocateCopyPool (HstiAip->HstiSize, HstiAip->Hsti);
if (*InformationBlock == NULL) {
return EFI_OUT_OF_RESOURCES;
}
*InformationBlockSize = HstiAip->HstiSize;
return EFI_SUCCESS;
}
/**
Sets state information for an adapter.
This function sends information of type InformationType for an adapter.
If an adapter does not support the requested information type, then EFI_UNSUPPORTED
is returned.
@param[in] This A pointer to the EFI_ADAPTER_INFORMATION_PROTOCOL instance.
@param[in] InformationType A pointer to an EFI_GUID that defines the contents of InformationBlock.
@param[in] InformationBlock A pointer to the InformationBlock structure which contains details
about the data specific to InformationType.
@param[in] InformationBlockSize The size of the InformationBlock in bytes.
@retval EFI_SUCCESS The information was received and interpreted successfully.
@retval EFI_UNSUPPORTED The InformationType is not known.
@retval EFI_DEVICE_ERROR The device reported an error.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER InformationBlock is NULL.
@retval EFI_WRITE_PROTECTED The InformationType cannot be modified using EFI_ADAPTER_INFO_SET_INFO().
**/
EFI_STATUS
EFIAPI
HstiAipSetInfo (
IN EFI_ADAPTER_INFORMATION_PROTOCOL *This,
IN EFI_GUID *InformationType,
IN VOID *InformationBlock,
IN UINTN InformationBlockSize
)
{
HSTI_AIP_PRIVATE_DATA *HstiAip;
VOID *NewHsti;
if ((This == NULL) || (InformationBlock == NULL)) {
return EFI_INVALID_PARAMETER;
}
if (!CompareGuid (InformationType, &gAdapterInfoPlatformSecurityGuid)) {
return EFI_UNSUPPORTED;
}
if (!InternalHstiIsValidTable (InformationBlock, InformationBlockSize)) {
return EFI_VOLUME_CORRUPTED;
}
HstiAip = HSTI_AIP_PRIVATE_DATA_FROM_THIS(This);
if (InformationBlockSize > HstiAip->HstiMaxSize) {
NewHsti = AllocateZeroPool (InformationBlockSize);
if (NewHsti == NULL) {
return EFI_OUT_OF_RESOURCES;
}
FreePool (HstiAip->Hsti);
HstiAip->Hsti = NewHsti;
HstiAip->HstiSize = 0;
HstiAip->HstiMaxSize = InformationBlockSize;
}
CopyMem (HstiAip->Hsti, InformationBlock, InformationBlockSize);
HstiAip->HstiSize = InformationBlockSize;
return EFI_SUCCESS;
}
/**
Get a list of supported information types for this instance of the protocol.
This function returns a list of InformationType GUIDs that are supported on an
adapter with this instance of EFI_ADAPTER_INFORMATION_PROTOCOL. The list is returned
in InfoTypesBuffer, and the number of GUID pointers in InfoTypesBuffer is returned in
InfoTypesBufferCount.
@param[in] This A pointer to the EFI_ADAPTER_INFORMATION_PROTOCOL instance.
@param[out] InfoTypesBuffer A pointer to the array of InformationType GUIDs that are supported
by This.
@param[out] InfoTypesBufferCount A pointer to the number of GUIDs present in InfoTypesBuffer.
@retval EFI_SUCCESS The list of information type GUIDs that are supported on this adapter was
returned in InfoTypesBuffer. The number of information type GUIDs was
returned in InfoTypesBufferCount.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER InfoTypesBuffer is NULL.
@retval EFI_INVALID_PARAMETER InfoTypesBufferCount is NULL.
@retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the results.
**/
EFI_STATUS
EFIAPI
HstiAipGetSupportedTypes (
IN EFI_ADAPTER_INFORMATION_PROTOCOL *This,
OUT EFI_GUID **InfoTypesBuffer,
OUT UINTN *InfoTypesBufferCount
)
{
if ((This == NULL) || (InfoTypesBuffer == NULL) || (InfoTypesBufferCount == NULL)) {
return EFI_INVALID_PARAMETER;
}
*InfoTypesBuffer = AllocateCopyPool (sizeof(gAdapterInfoPlatformSecurityGuid), &gAdapterInfoPlatformSecurityGuid);
if (*InfoTypesBuffer == NULL) {
return EFI_OUT_OF_RESOURCES;
}
*InfoTypesBufferCount = 1;
return EFI_SUCCESS;
}
EFI_ADAPTER_INFORMATION_PROTOCOL mAdapterInformationProtocol = {
HstiAipGetInfo,
HstiAipSetInfo,
HstiAipGetSupportedTypes,
};
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